Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:22Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
det| 9 4 ; 1 10 | = 86
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
100K
det| 4 9 ; 7 5 | = -43
det| 9 6 ; 0 10 | = 90
137K
det| 1 1 ; 3 2 | = -1
∫₀^∞ e^(-n²) dn = √π / 2
196K
det| 1 2 ; 7 2 | = -12
218K